Battery supplementing super capacitor energy storage charge and discharge converter

a super capacitor and battery technology, applied in the field of supplemental energy supplied, can solve the problems of heavy weight and usually a serious factor in the weight of the battery

Inactive Publication Date: 2009-08-20
HONEYWELL INT INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0006]A super capacitor charge-discharge apparatus comprises a power source connected to a direct current bus. A super capacitor bank may be charged by the power source and may be controllably connected to the direct current bus. A control module may be connected to the super capacitor bank and may monitor a voltage of the direct current bus. The control module may provide signals to connect the super capacitor bank to the direct current bus when the monitored voltage is less than a predetermined level.

Problems solved by technology

Batteries adequate to the high-power demands of aircraft electrical systems tend to be heavy and weight is usually a serious factor in aircraft design.

Method used

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Embodiment Construction

[0019]The following detailed description is of the best currently contemplated modes of carrying out the invention. The description is not to e taken in a limiting sense, but is made merely for the purpose of illustrating the general principles of the invention, since the scope of the invention is best defined by the appended claims.

[0020]Aircraft, both commercial and military, as well as spacecraft typically use large and heavy batteries to store energy. The batteries may provide power for normal or emergency aircraft operations. In situations where the energy supply is stressed or unavailable, supplemental energy storage elements, such as super capacitors, may be used to augment or even temporarily replace the batteries and supply energy to microprocessors, memory banks, and other aircraft critical loads for a limited time.

[0021]The inclusion of a super-capacitor powered component as a supplement may allow the size and weight of batteries to be significantly reduced. A supplementa...

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Abstract

A super capacitor energy storage supplementing a battery providing power to a direct current bus including charge and discharge converters is disclosed. A bank of super capacitors may be charged by a battery with a pulse-width modulation controller and an electromagnetic interference filter. The bank of super capacitors may be controllably connected to the direct current bus through an isolating transformer implemented as a isolated boost converter.

Description

BACKGROUND OF THE INVENTION[0001]The invention relates to the field of aircraft electrical energy supply systems and more particularly to supplemental energy supplied to maintain consistent energy levels on an aircraft bus.[0002]A DC bus line is typically maintained on an aircraft to supply energy to the electrical systems of the aircraft. An energy supplementary apparatus is connected to the DC bus line to keep the electrical systems operational during aircraft DC bus line transients or during peak short duration energy supply demand requirements by the load. The energy supplementary apparatus typically includes a two stage controlled charge and isolated boost utilizing closed loop regulators. The energy supplementary apparatus may be used in conjunction with aircraft battery supply.[0003]Batteries are widely used to store electrical energy and may be used in energy supplementary apparatus. Batteries adequate to the high-power demands of aircraft electrical systems tend to be heavy...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): B60L1/00H02J7/34
CPCH02J7/345H01M10/4264Y02E60/10
Inventor VUK, IVANKOJORI, HASSAN ALIRUSAN, ILEANA
Owner HONEYWELL INT INC
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